许疃煤矿煤层注水技术应用与效果分析

Analysis and application of coal seam water injection technology in Xutuan coal mine

本文根据许疃煤矿7229工作面地质特征,确定了煤层注水方式与注水参数以降低煤尘。现场应用结果表明,所采用的注水工艺技术及装备能够满足实际注水需要,达到了较好的煤体湿润效果和降尘效果,改善了工作面的劳动卫生条件。

The coal seam water injection is one of the effective methods to reduce the working face coal dust, according to the geological characteristics of 7229 working face of Xutuan coal mine, determined the coal seam water injection mode and injection parameters to reduce coal dust. The application results showed that, the infusion technology and equipment being used can meet the requirements of actual infusion, achieved better wetting effect of coal body and dust removal effect, and improved the labor hygiene conditions of working face.